1N4148WS-E3-18

The 1N4148WS-E3-18 is a high-speed switching diode manufactured by Vishay, known for its reliability and performance in various electronic applications. Here’s a detailed description of its key features and specifications:

General Description:

The 1N4148WS-E3-18 is a small-signal diode that is widely used in digital and analog circuits. It is designed for high-speed switching applications, making it suitable for use in signal processing, rectification, and clamping circuits. The diode is housed in a compact surface-mount package, which allows for efficient use of space on printed circuit boards (PCBs).

Package Type:

• Package: SOD-123
• Dimensions: The SOD-123 package typically measures approximately 2.6 mm x 1.6 mm x 1.1 mm, making it suitable for applications where space is a constraint.

Electrical Characteristics:

• Maximum Reverse Voltage (V_R): 100 V
• Forward Current (I_F): 300 mA
• Forward Voltage Drop (V_F): Typically around 0.7 V at 1 mA, which can vary slightly depending on the current.
• Reverse Recovery Time (t_rr): Approximately 4 ns, indicating its capability for high-speed switching.
• Junction Capacitance (C_j): Typically around 4 pF, which contributes to its fast response time.

Thermal Characteristics:

• Operating Junction Temperature (T_J): Ranges from -55°C to +150°C, allowing it to function in a wide range of environmental conditions.
• Storage Temperature (T_STG): Also ranges from -55°C to +150°C.

Applications:

The 1N4148WS-E3-18 is commonly used in:

• Signal switching
• Clamping applications
• Flyback diodes in inductive loads
• General-purpose rectification
• Protection circuits for sensitive components

Compliance and Standards:

• The diode is compliant with RoHS (Restriction of Hazardous Substances) standards, making it environmentally friendly and suitable for modern electronic manufacturing processes.

Conclusion:

The 1N4148WS-E3-18 from Vishay is a versatile and efficient diode that is ideal for high-speed applications. Its compact size, robust electrical characteristics, and wide operating temperature range make it a popular choice among engineers and designers in the electronics industry. Whether used in consumer electronics, automotive applications, or industrial equipment, the 1N4148WS-E3-18 provides reliable performance and durability.